Finding the Fourth Proportional to 396,723.04, 547,475.84 and 215,433.44
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Solution
The fourth proportional to 396,723.04, 547,475.84 and 215,433.44 is: 297,297.09
Step by Step Solution
- Step 1: Write the proportion equation
396,723.04 : 547,475.84 = 215,433.44 : x - Step 2: Convert to fraction form
396,723.04/547,475.84 = 215,433.44/x - Step 3: Cross multiply
396,723.04x = 547,475.84 × 215,433.44 - Step 4: Simplify right side
396,723.04x = 117,944,603,528.09 - Step 5: Solve for x
x = 117,944,603,528.09/396,723.04 - Step 6: Final answer
x = 297,297.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.